#include <bits/stdc++.h>
using namespace std;
int a[100005], h[100005];

int main()
{
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    int n;
    cin >> n;
    for(int i=1;i<=n;i++)
        cin >> a[i];
    for(int i=1;i<=n;i++)
        h[a[i]]++;
    int ans = 0;
    for(int i=1;i<=100000;i++){
        ans = max(ans, h[i]);
    }
    cout << ans << endl;
    return 0;
}
